import java.util.Scanner;

/**
 * Created by 84995 on 2020/1/14.
 */
public class test2 {

    public static void main(String[] args) {

        Scanner  sc=new Scanner(System.in);
        System.out.println("请输入月份");
        int i = sc.nextInt();
        switch (i){
            case 3:
            case 4:
            case 5:
                System.out.println(i+"月份是春季");
                break;
            case 6:
            case 7:
            case 8:
                System.out.println(i+"月份夏季");
                break;
            case 9:
            case 10:
            case 11:
                System.out.println(i+"月份秋季");
                break;
                case 12:
                case 1:
                case 2:
                    System.out.println(i+"月份冬季");
                    break;
        }

    }
}
